Is there a Unity coordinate system export option?
Most file export formats allow you to configure some kind of world orientation in the export settings. As you can see in the images below. .FBX, .DAE, .OBJ, and .PLY allow you to specify a &quot;forward&quot; and an &quot;up&quot; axis, and others like .GLTF have a checkbox to specify Y-UP. See below (examples are from .fbx and .dae):